<!-- extends表明此页面继承自 base.html 文件 -->
{% extends "base.html" %}
{% load staticfiles %}

<!-- 写入 base.html 中定义的 title -->
{% block title %}
    首页
{% endblock title %}

<!-- 写入 base.html 中定义的 content -->
{% block content %}

<!-- 定义放置文章标题的div容器 -->
<div class="container">
    <nav aria-label="breadcrumb">
        <ol class="breadcrumb" id="click-style">
            <li class="breadcrumb-item">
                <a href="{% url 'article:article_list' %}?search={{ search }}">
                    最新
                </a>
            </li>
            <li class="breadcrumb-item" >
                <a href="{% url 'article:article_list' %}?order=total_views&search={{ search }}">
                    最热
                </a>
            </li>
        </ol>
    </nav>
        <!-- 新增，搜索栏 -->
    <div class="row">
        <div class="col-auto mr-auto">
            <form class="form-inline" >
                <label class="sr-only">content</label>
                <input type="text"
                    class="form-control mb-2 mr-sm-2"
                    name="search"
                    placeholder="搜索文章..."
                    required
                >
            </form>
        </div>
    </div>
    <!-- 新增，搜索提示语 -->
    {% if search %}
        {% if articles %}
            <h4><span style="color: red">"{{ search }}"</span>的搜索结果如下：</h4>
            <hr>
        {% else %}
            <h4>暂无<span style="color: red">"{{ search }}"</span>有关的文章。</h4>
            <hr>
        {% endif %}
    {% endif %}

    <div class="row mt-2">
        {% for article in articles %}
        <!-- 文章内容 -->
        {% if article.avatar %}
            <div class="col-3">
                <img src="{{ article.avatar.url }}"
                     alt="avatar"
                     style="max-width:100%; border-radius: 20px"
                >
            </div>
        {% endif %}
        <div class="col">
        <!-- 栏目 -->
            {% if article.column %}
                <button type="button"
                    class="btn btn-sm mb-2
                        {% if article.column.title == 'Django' %}
                            btn-success
                        {% elif article.column.title == 'Java' %}
                            btn-danger
                        {% elif article.column.title == 'HTML' %}
                            btn-warning
                        {% endif %}
                    "
                >
                    {{ article.column }}
                </button>
            {% endif %}
            <!-- 标题 -->
            <h4>
                <b>
                    <a href="{% url 'article:article_detail' article.id %}"
                       style="color: black;"
                    >
                        {{ article.title }}
                    </a>
                </b>
            </h4>
            <!-- 摘要 -->
            <div>
                <p style="color: gray;">
                    {{ article.body|slice:'100' }}...
                </p>
            </div>
            <!-- 注脚 -->
            <p>
                <!-- 附加信息 -->
                <span>
                    <i class="fas fa-eye" style="color: lightskyblue;"></i>
                    {{ article.total_views }}&nbsp;&nbsp;&nbsp;
                </span>
                <span>
                    <i class="fas fa-comments" style="color: yellowgreen;"></i>
                    {{ article.created|date:'Y-m-d' }}
                </span>
                <span>
                    <i class="fas fa-clock" style="color: pink;"></i>
                    {{ article.updated|date:'Y-m-d' }}
                </span>
            </p>
        </div>
        <hr style="width: 100%;"/>

    {% endfor %}

    </div>
   <!-- 页码导航 -->
    <div class="pagination row">
        <div class="m-auto">
            <span class="step-links">
                <!-- 如果不是第一页，则显示上翻按钮 -->
                {% if articles.has_previous %}
                    <a href="?page=1&order={{ order }}&search={{ search }}" class="btn btn-success">
                        &laquo; 1
                    </a>
                    <span>...</span>
                    <a href="?page={{ articles.previous_page_number }}&order={{ order }}&search={{ search }}"
                       class="btn btn-secondary"
                    >
                        {{ articles.previous_page_number }}
                    </a>
                {% endif %}

                <!-- 当前页面 -->
                <span class="current btn btn-danger btn-lg">
                    {{ articles.number }}
                </span>

                <!-- 如果不是最末页，则显示下翻按钮 -->
                {% if articles.has_next %}
                    <a href="?page={{ articles.next_page_number }}&order={{ order }}&search={{ search }}"
                       class="btn btn-secondary"
                    >
                        {{ articles.next_page_number }}
                    </a>
                    <span>...</span>
                    <a href="?page={{ articles.paginator.num_pages }}&order={{ order }}&search={{ search }}"
                       class="btn btn-success"
                    >
                        {{ articles.paginator.num_pages }} &raquo;
                    </a>
                {% endif %}
            </span>
        </div>
    </div>
    </div>
{% endblock content %}